Jefferson County , Colorado

Jefferson County: County in Colorado, United States

Jefferson County locator map
Location of Jefferson County on Colorado map.
Jefferson County Courthouse from I-70 image
Jefferson County Courthouse from I-70

About

Jefferson County is a county located in the U.S. state of Colorado. As of the 2010 census, the population was 534,543 and a population density of 265 people per km². After 9 years in 2019 county had an estimated population of 582,881 inhabitants. Its county seat is Golden. The county was created 160 years ago in 1860.

Geography

Jefferson County is located at 39°35'11"N 105°15'2"W (39.5864200, -105.2504700). It has 10 neighbors: Adams County, Arapahoe County, Broomfield County, Clear Creek County, Denver County, Douglas County, Gilpin County, Park County, Teller County and Boulder County.

The largest city of Jefferson County is Lakewood with a population of 157,935. Other cities include, Arvada population 121,272, Wheat Ridge population 31,324, Golden population 20,767 and Edgewater population 5,335.

Weather

Jefferson County forecast: Mostly clear, with a low around 39. South wind around 6 mph. more

Jefferson County map

Jefferson County Quick Facts

Population : 582,881 (2019)
Country : United States of America
State : Colorado (United States)
Different from : Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson Parish, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County
Twitter username : jeffcocolorado
Area : 2015 km2
Water as percent of area : 1.3%
Land as percent of area : 98.7%
Named for : Thomas Jefferson
Capital : Golden
Establishment : January 01, 1861
Time Zone : America/Denver
Local time : 21:29:50 (7th May 2021)
Density : 289 Pop. per km² as of 2019
Population growth : 8.29% (2010-2019)
Weather : 39℉ Mostly Clear 7-days weather

Jefferson County has 10 neighbors .

Demographics

The population of Jefferson County increased by 8.29% in 9 years.

Year Population % Change Method
2010 534,543 - census
2011 540,506 1.1% estimation process
2012 546,602 1.12% estimation process
2013 552,031 0.98% estimation process
2014 558,819 1.21% estimation process
2015 564,888 1.07% estimation process
2016 571,413 1.14% estimation process
2017 575,417 0.7% estimation process
2018 579,392 0.69% estimation process
2019 582,881 0.6% estimation process

Comitatul Jefferson, Comte de Jefferson, Comté de Jefferson, Condado de Jefferson, Condado han Jefferson, Contea di Jefferson, Dzhefersun, Dzhefferson, Hrabstwo Jefferson, Jeferson srjan, Jefferson, Jefferson Kun, Jefferson Kūn, Jefferson konderria, Jefferson megye, Jeffersoni maakond, Okrug DZeferson, Quan Jefferson, Quận Jefferson, jefason jun, jepharasana ka'unti, jie fei xun xian, mqatʿt jyfyrswn, shhrstan jfrswn klradw, Джеферсън, Джефферсон, Округ Џеферсон, Ջեֆերսոն շրջան, جیفرسن کاؤنٹی، کولوراڈو, شهرستان جفرسون، کلرادو, مقاطعة جيفيرسون, জেফারশন কাউন্টি, ジェファーソン郡, 杰斐逊县

People born in Jefferson County (1)

American pilot Donald Sheldon was born in Jefferson County

Other places with the same name (24)

Jefferson County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Jefferson County.

City Name Population Title
Lakewood 157,935 City in Colorado
Arvada 121,272 City in Adams and Jefferson counties in Colorado, United States
Wheat Ridge 31,324 City in Colorado, USA
Golden 20,767 County seat of Jefferson County, Colorado, United States
Edgewater 5,335 Human settlement in Jefferson County, Colorado, United States of America
Evergreen 3,944 County seat of Conecuh County, Alabama, United States
Kittredge 1,304 Census-designated place in Jefferson County, Colorado
Mountain View 537 Town in Jefferson County, Colorado, USA
Morrison 424 Municipality in Colorado, United States

Colorado Other Counties (more counties)

County Name Population Title
Colorado 5,758,736 State of the United States of America
Denver 727,211 Capital city of the state of Colorado, United States; consolidated city and county
Denver County 727,211 County in Colorado, United States, coterminous with the City of Denver
El Paso County 720,403 One of the 64 counties in the U.
Arapahoe County 656,590 County in Colorado, United States
Adams County 517,421 County in Colorado, United States
Colorado Springs 478,221 County seat of El Paso County, Colorado, United States
Aurora 379,289 City in Kane County, Illinois, United States
Larimer County 356,899 County in Colorado, United States
Douglas County 351,154 County in Colorado, United States
Boulder County 326,196 County in Colorado, United States
Weld County 324,492 County in Colorado, United States
Fort Collins 170,243 Municipality and county seat of Larimer County, Colorado, United States
Pueblo County 168,424 County in Colorado, United States
Lakewood 157,935 City in Colorado
Mesa County 154,210 County in Colorado, United States
Jefferson County Courthouse from I-70 image

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